contrib/docker: riscv builder added(highly experimental)

.gitignore

@@ -38,6 +38,7 @@
 /darkwiki
 /darkwikid
 /zktool
+/riscv-bins
 
 # tags, ctags, rusty-tags
 TAGS

contrib/docker/riscv.Dockerfile

@@ -0,0 +1,76 @@
+# Usage(on repo root folder):
+#   docker build . --pull --no-cache --shm-size=196m -t darkfi:riscv -f ./contrib/docker/riscv.Dockerfile -o riscv-bins
+# Optionally, add arguments like: --build-arg BINS=darkirc
+# If you want to keep building using the same builder, remove --no-cache option.
+
+# Arguments configuration
+ARG DEBIAN_VER=latest
+ARG SQL_VER=3420000
+ARG RUST_VER=nightly
+# When changing riscv target, don't forget to also update the linker
+ARG RISCV_TARGET=riscv64gc-unknown-linux-gnu
+ARG RISCV_LINKER=riscv64-linux-gnu-gcc
+
+# Environment setup
+FROM debian:${DEBIAN_VER} as builder
+
+## Arguments import
+ARG SQL_VER
+ARG RUST_VER
+ARG RISCV_TARGET
+ARG RISCV_LINKER
+ARG BINS
+
+## Install system dependencies
+RUN apt-get update
+RUN apt-get install -y make gcc pkg-config gcc-riscv64-linux-gnu wget
+
+## Build sqlite3 for Risc-V
+RUN wget https://www.sqlite.org/2023/sqlite-autoconf-${SQL_VER}.tar.gz && \
+    tar xvfz sqlite-autoconf-${SQL_VER}.tar.gz && \
+    rm sqlite-autoconf-${SQL_VER}.tar.gz && \
+    mv sqlite-autoconf-${SQL_VER} sqlite3 && \
+    cd sqlite3 && \
+    ./configure --host=riscv64-linux-gnu CC=/bin/${RISCV_LINKER} && \
+    make
+
+## Rust installation
+RUN wget -O install-rustup.sh https://sh.rustup.rs && \
+    sh install-rustup.sh -yq --default-toolchain none && \
+    rm install-rustup.sh
+ENV PATH "${PATH}:/root/.cargo/bin/"
+RUN rustup default "${RUST_VER}"
+RUN rustup target add "${RISCV_TARGET}"
+
+# Build binaries
+FROM builder as rust_builder
+
+WORKDIR /opt/darkfi
+COPY . /opt/darkfi
+
+# Risc-V support is highly experimental so we have to add some hack patches,
+# at the end of Cargo.toml where [patch.crates-io] exists.
+RUN echo 'ring = {git="https://github.com/aggstam/ring"} \n\
+rustls = {git="https://github.com/aggstam/rustls", branch="risc-v"} \n\
+rcgen = {git="https://github.com/aggstam/rcgen"} \n\
+' >> /opt/darkfi/Cargo.toml
+
+ENV RUSTFLAGS="-C linker=/bin/${RISCV_LINKER} -L/sqlite3/.libs/"
+ENV TARGET_PRFX="--target=" RUST_TARGET="${RISCV_TARGET}"
+#TODO: only darkirc and zkas have been tested, have to check rest binaries to add deps and ports.
+RUN make ${BINS} &&  mkdir compiled-bins && \
+    (if [ -e zkas ]; then cp -a zkas compiled-bins/; fi;) && \
+    (if [ -e darkfid ]; then cp -a darkfid compiled-bins/; fi;) && \
+    (if [ -e darkfid2 ]; then cp -a darkfid2 compiled-bins/; fi;) && \
+    (if [ -e faucetd ]; then cp -a faucetd compiled-bins/; fi;) && \
+    (if [ -e darkirc ]; then cp -a darkirc compiled-bins/; fi;) && \
+    (if [ -e "genev-cli" ]; then cp -a genev-cli compiled-bins/; fi;) && \
+    (if [ -e genevd ]; then cp -a genevd compiled-bins/; fi;) && \
+    (if [ -e lilith ]; then cp -a lilith compiled-bins/; fi;) && \
+    (if [ -e "tau-cli" ]; then cp -a tau-cli compiled-bins/; fi;) && \
+    (if [ -e taud ]; then cp -a taud compiled-bins/; fi;) && \
+    (if [ -e vanityaddr ]; then cp -a vanityaddr compiled-bins/; fi;)
+
+# Export binaries from rust builder
+FROM scratch
+COPY --from=rust_builder /opt/darkfi/compiled-bins/* ./